| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.705 INCHES MINIMUM AND 0.725 INCHES MAXIMUM FIRST HOLE |
| CHAMFER ANGLE | 43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM |
| HARDNESS RATING | 24.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM |
| HEAD LENGTH | 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| HEAD STYLE | TEE NO. 6 |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| MINIMUM TENSILE STRENGTH | 130000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 85000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE |
| WIDTH BETWEEN FLATS | 0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.345 INCHES MINIMUM AND 0.427 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 32 |